{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896523,-0.442998,0.000000,0.000000,0.282958,-0.572639,0.769428,0.000000,-0.339918,0.687914,0.641272,0.000000,-2171036.650872,4393661.597410,4068343.762647,1],    "boundingVolume": {    "region": [2.029645,0.696099,2.029828,0.696211,0.000000,20.553015]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_505156.b3dm"}}}